48results about How to "Has all technical effects" patented technology

The invention provides a cooking utensil control method, a cooking utensil and a computer readable storage medium. The cooking utensil control method comprises: acquiring cooking recipe information, reading food material types and cooking modes in the cooking recipe information, acquiring preprocessing time, corresponding to the food material type, of a preprocessing program and cooking time corresponding to the cooking mode in a preset database, calculating a preprocessing moment according to the reserved dining time, the preprocessing time and the cooking time, and sending reservation reminding information before the preprocessing moment. By calculation of preprocessing time, it can be ensured that reservation reminding is performed on the user before the preprocessing moment, a user makes an appointment at the moment, so that the cooking utensil can execute a preprocessing program and a cooking program, it can be guaranteed that the cooking utensil does not influence the dining appointment time after the preprocessing program and the cooking program are completed, the preprocessed food materials can show the optimal taste, and the market competitiveness of the product is improved.

The invention provides a vacuum laser sealing welding tool and a vacuum laser sealing machine. The vacuum laser sealing tool comprises a sealing welding plate and a magnetic attraction plate, a plurality of workpiece mounting grooves are formed in the sealing welding plate, openings of the workpiece mounting groove faces upwards, and workpiece bases are installed in the workpiece mounting grooves;a plurality of magnetic attraction pieces are arranged on the magnetic attraction plate, the magnetic attraction plate is detachably arranged below the sealing welding plate, and the center positionsof the magnetic attraction pieces correspond to the center positions of the workpiece mounting grooves in a one-to-one correspondence mode; and when workpiece cover plates are installed above the workpiece bases, the magnetic attraction pieces can attract the workpiece cover plates so that the workpiece cover plates can be fixed on the workpiece bases. According to the vacuum laser sealing welding tool, the center positions of the magnetic attraction pieces arranged in the magnetic attraction plate correspond to the center positions of the workpiece mounting grooves in a one-to-one mode, so that when the workpiece cover plates are installed above the workpiece bases, the magnetic attraction force generated by the magnetic attraction pieces enables the workpiece cover plates to be tightlyfixed to the workpiece bases, and then the workpiece bases and the workpiece cover plates can be directly conveyed into a vacuum chamber for vacuum laser sealing welding.

The invention provides a wireless local area network communication method and device, a station device and an access point device, wherein the communication method comprises the following steps: receiving a plurality of change management message frames, wherein the change management message frame comprises BSS color value change information; the BSS color value change information comprises a changed BSS color value; if it is determined that the BSS color value change information of at least two change management message frames in a plurality of the change management message frames is the same,generating and transmitting a change stop frame to instruct the access point device to stop changing the BSS color value, or generating and sending a change request frame to instruct the access pointdevice to re-change the BSS color value. Through the technical scheme of the invention, the occurrence of communication conflicts is reduced, and the spectrum utilization rate and the throughput of the basic service set are improved.

The invention provides a refrigerant amount judgment method and system, computer equipment and a computer readable storage medium. The refrigerant amount judgment method is used for an air conditioner. The air conditioner comprises an indoor unit and an outdoor unit. The air conditioner is filled with a refrigerant. The refrigerant amount judgment method comprises the steps that exhaust parametersof the outdoor unit are detected in a refrigeration mode, and the relation between the exhaust parameters and preset exhaust parameters is judged; and according to the judgment result, whether the refrigerant amount in the air conditioner reaches the standard refrigerant amount or not is judged. According to the provided refrigerant amount judgment method, whether the refrigerant amount in the air conditioner reaches the standard refrigerant amount or not can be determined by detecting the exhaust performance parameters of the outdoor unit in the refrigeration mode and comparing the detectedexhaust parameters with the preset exhaust parameters.

The invention provides an air conditioner, a control method thereof and a computer-readable storage medium. The air conditioner comprises a shell, a first air guiding plate and an air-diffusing assembly, wherein the shell is provided with an opening part; the first air guiding plate is connected with the shell, and an air outlet is defined by the first air guiding plate and the opening part; and an air-diffusing part is formed on the air-dispersing assembly and is suitable for allowing airflow to penetrate and suitable for making the penetrating airflow to flow diffusely, the air-dispersing assembly is suitable for moving relative to the shell, and the air outlet is opened or closed by movement of the air-diffusing assembly. According to the air conditioner provided by the invention, in the working process, the air outlet are defined by the first air guiding plate and the shell, the air-diffusing assembly can close or open the air outlet, when the air conditioner is stopped, the air-diffusing assembly can form the appearance of the air conditioner with the shell, and meanwhile, a variety of forms of non-wind-induction air output can be formed through the air-diffusing assembly. Thedegree of freedom of use is higher, and the user experience is improved.

The invention provides a wireless local area network communication method and device, access point equipment and site equipment. The communication method comprises the following steps: determining a multiple value between a maximum wake-up period of the site equipment and the transmitting time of a target beacon frame; and generating and transmitting a change management message frame according tothe multiple value, wherein the change management message frame is used for notifying the site equipment that a BSS color value has been updated, wherein the change management message frame is used for carrying BSS (Basis Service Set) color value change information, and the multiple value is equal to a BSS color value change reciprocal counter value included in the BSS color value change information. Through the technical scheme of the invention, the occurrence of communication conflicts is reduced, and the spectrum utilization and the throughput of a basic service set are improved.

The invention provides a control method of an air conditioner. The control method of the air conditioner includes the steps that the current rotating speed of a draught fan of the air conditioner andthe current noise value of the air conditioner are acquired; the current noise-rotating speed ratio Y is calculated according to the current rotating speed and the current noise value, and the expected noise-rotating speed ratio Ys corresponding to the current rotating speed is acquired according to the current rotating speed; and the current noise-rotating speed ratio Y and the expected noise-rotating speed ratio Ys are compared, and the current rotating speed of the draught fan is adjusted according to the comparison result. After the current noise-rotating speed ratio Y is acquired, the current noise-rotating speed ratio Y and the expected noise-rotating speed ratio Ys are compared, the comparison result reflects whether the current noise-rotating speed ratio Y conforms to the expectednoise-rotating speed ratio Ys or not, or whether the difference value of the current noise-rotating speed ratio Y and the expected noise-rotating speed ratio Ys is proper or not, thus, the current rotating speed of the draught fan can be adjusted according to the comparison result, the noise value can be changed, the draught fan precisely runs according to the control requirements, and the reliability of the air conditioner is guaranteed.

The invention provides a vehicle operation detection method, a vehicle operation detection system and a computer readable storage medium. The method comprises steps: when the vehicle executes the operation, the coordinate data of multiple measurement points along the path of the vehicle are collected; the contained theoretical operation route is read based on the operation, the coordinate data ofmultiple reference points preset in the theoretical operation route are acquired, and the reference operation times corresponding to the theoretical operation route are acquired; based on the collected coordinate data of the multiple measurement points and the coordinate data of the preset multiple reference points, the actual operation times in the case of executing the operation by the vehicle are calculated; and through the reference operation times and the actual operation times, the completion rate of the vehicle is calculated. When the above technical scheme is applied, monitoring on theoperation completion condition can also be realized, the operation can be ensured to be effectively completed, and the cleaning quality is thus ensured.

The invention provides a refrigerant amount judgment method and system, computer equipment and a computer readable storage medium. The refrigerant amount judgment method is used for an air conditioner. The air conditioner comprises an indoor unit and an outdoor unit. The air conditioner is filled with a refrigerant. The refrigerant amount judgment method comprises the steps that exhaust parametersof the outdoor unit are detected in a heating mode, and the relation between the exhaust parameters and preset exhaust parameters is judged; and according to the judgment result, whether the refrigerant amount in the air conditioner reaches the standard refrigerant amount or not is judged. According to the provided refrigerant amount judgment method, whether the refrigerant amount in the air conditioner reaches the standard refrigerant amount or not can be determined by detecting the exhaust performance parameters of the outdoor unit in the heating mode and comparing the detected exhaust parameters with the preset exhaust parameters.

The invention provides a locked-rotor detection method and device, a computer readable storage medium and a motor driving device, and the locked-rotor detection method comprises the steps: obtaining the input power of a motor in real time; calculating a fluctuation value of an input power; and comparing the fluctuation value with the fluctuation threshold value, and when the fluctuation value is continuously smaller than the fluctuation threshold value within a preset duration, judging that the motor stalls. The invention provides a locked-rotor detection method. The invention is especially suitable for a sensorless AC motor. By monitoring the fluctuation value of the input power which is not influenced by the position angle, whether the motor is locked-rotor can be accurately detected, the scheme can be applied to a torque current control mode or a speed control mode of the motor, the defects in the prior art are overcome, the practicability is high, and the safety and reliability arehigh.

The invention provides an electrocardio monitoring method and device, and a computer readable storage medium. The electrocardio monitoring method comprises the steps of obtaining physiological parameters of a user; monitoring the electrocardio state of the user according to the physiological parameters; and transmitting abnormal electrocardio monitoring results to a server so that the server generates corresponding health advice based on the abnormal electrocardio monitoring results and performs feedback. According to the electrocardio monitoring method provided by the invention, health data is transmitted to the server through network, so that long-time storage of data is realized; real-time analysis is performed through the data platform, so that forecast and diagnosis of common diseasesare realized, real-time warning on abnormal electrocardio can be performed, the user is reminded to pay attention to notices and seek medical advice timely, and the electrocardio monitoring method has the good effects of preventing diseases in advance and enabling the user to seek medical advice timely.

The invention provides an over-current protection circuit and a self-checking method thereof, and the over-current protection circuit comprises a protection circuit, a micro-control unit and an injection signal circuit, wherein the protection circuit comprises a sampling circuit and a comparison circuit, and the sampling circuit is used for connecting a load and detecting a sampling current on theload; the comparison circuit is directly or indirectly connected with the output end of the sampling circuit; the comparison circuit generates an over-current signal when the load is over-current; aprotection pin of the micro-control unit is directly or indirectly connected with the output end of the comparison circuit so as to receive an overcurrent signal; and one end of the injection signal circuit is connected with the input/output interface of the micro-control unit, the other end is directly or indirectly connected with the output end of the sampling circuit, and the injection signal circuit is used for injecting an overcurrent test signal into the protection circuit. According to the overcurrent protection circuit provided by the invention, the micro-control unit is provided withthe input/output interface and is connected with the injection signal circuit, and whether the protection circuit is good or not is verified by detecting whether the output is normal or not so as to perform self-inspection on the protection circuit.

The invention provides a temperature compensation method, a printed circuit board, a compressor and a vehicle. The temperature compensation method comprises the steps of: obtaining a data package, enabling the data package to comprise a plurality of data pairs, enabling each data pair to comprise an associated voltage and a measurement temperature, and enabling the measurement temperature to be calculated through a voltage and voltage temperature relation, performing clustering calculation on the data package to obtain a plurality of central data pairs, and forming a central data pair group bythe plurality of central data pairs, fitting a voltage temperature curve by the central data pair group, and generating a temperature compensation model according to the voltage temperature curve andthe theoretical voltage temperature curve, the temperature compensation model being used for compensating the measurement temperature. According to the temperature compensation method provided by theinvention, the digital signal of the NTC temperature-sensitive resistor is acquired, the data is analyzed by using a signal processing method, and finally, the temperature compensation model for monitoring the temperature in real time is established to compensate the measurement temperature, so that the temperature detection precision can be improved, and the printed circuit board can be protected more effectively.

The invention provides a drying device and an asphalt station. The drying device comprises a reducing agent storage tank, a pump, a drying drum, a combustor and a spraying device; the input end of thepump is communicated with the reducing agent storage tank; the combustor is arranged in the drying drum; and the spraying device is communicated with the output end of the pump and is arranged in thedrying drum. During the use of the drying device, the combustor is used for drying a cold material by combusting heavy oil, and the pump is started in the process; the pump pumps a reducing agent inthe reducing agent storage tank to the spraying device; the spraying device sprays the reducing agent out; the reducing agent and nitrogen oxide generated by the heavy oil combustion of the combustorcan be subjected to a reduction reaction, so that nitrogen and water are generated, and therefore, a nitrogen oxide in waste gas generated by the combustion of the combustor are removed, and the content of the nitrogen oxide in the waste gas is reduced.

The invention provides a power-down protection control method for a permanent magnet synchronous motor control system, a control module, a computer readable storage medium and the permanent magnet synchronous motor control system. The power-down protection control method comprises the following steps: counting a voltage value of a direct-current bus module in real time; judging whether power failure occurs or not according to the voltage value; and when power failure is judged, entering a constant-pressure braking mode to control the permanent magnet synchronous motor to decelerate and brake according to a preset acceleration so as to enable the voltage value to be smaller than or equal to a first preset voltage value. According to the power-down protection control method, the permanent magnet synchronous motor is controlled to decelerate and brake according to a preset acceleration through constant-pressure braking; the deceleration speed of the permanent magnet synchronous motor canbe reduced, so that the voltage formed by the counter electromotive force instantaneously generated by the permanent magnet synchronous motor on the direct current bus module is lower than the safetyvoltage, and the counter electromotive force generated by the permanent magnet synchronous motor due to power failure is prevented from forming higher voltage on the direct current bus module to damage components.

The present invention provides a detection device, a vibration level determination method, a vending device and a storage medium. The detection device comprises a transmitting portion, wherein the transmitting portion can be configured to transmit identification information; a receiving portion configured corresponding to the transmitting portion, wherein the receiving portion can be configured toreceive the identification information and obtain a corresponding vibration range according to the identification information; and a processor, wherein the processor is connected with the receiving portion, and is configured to determine a vibration range according to the identification information received by the receiving portion, and determine a vibration level according to the vibration range. The detection device provided by the present invention comprises a receiving portion and a transmitting portion, the transmitting portion can be configured to transmit identification information tothe receiving portion, and the receiving portion can be configured to receive the identification information and obtain the corresponding vibration range according to the identification information, in particular, the receiving portion can be configured to receive the identification information transmitted when there is vibration in the transmitting portion, and the processor is configured to determine a vibration range according to the identification information received by the receiving portion, and determine a vibration level according to the vibration range.

The invention provides an air conditioner, a control method of the air conditioner and a storage medium. The air conditioner comprises a shell and an air outlet assembly, wherein the shell is providedwith an air outlet, the air outlet assembly is arranged at the air outlet, the air outlet assembly is provided with a first air outlet structure, a second air outlet structure and an air guide plate,the first air outlet structure and the second air outlet structure are suitable for allowing airflow to pass therethrough, and the air guide plate is suitable for rotating to adjust the air volume ofthe first air outlet structure and the air volume of the second air outlet structure. According to the provided air conditioner, the air guide plate can guide the flow direction of airflow so that the airflow can be guided and then flows to the first air outlet structure or the second air outlet structure, then a plurality of air outlet modes are formed, accordingly the air volume of the first air outlet structure and the air volume of the second air outlet structure can be adjusted, then a user can reasonably distribute air supply directions and the air volumes based on own needs, the use degree of freedom is higher, and the user experience is improved.

The invention provides a cooking utensil and a control method and system of the cooking utensil. A sealing piece in the cooking utensil is arranged on a cover body assembly; a pot body is located below the cover body assembly; a pot cover is buckled on the pot body; a feeding opening is formed in the pot cover, and sealing fit can be formed between the feeding port and the sealing piece; a pot body base plate is located below the pot body and is used for supporting the pot body, a first driving device is connected with the pot body base plate, and is used for driving the pot body base plate torotate, so that the pot body reciprocates between a high position and a low position; and a second driving device is connected with the sealing piece and used for driving the sealing piece to move between a sealing position of the feeding port and an opening position of the feeding port. The cooking utensil provided by the invention has the advantages that the automation degree is high, differentrequirements of the cooking utensil in a pretreatment stage or a cooking stage are met, a user does not need to continuously focus on the food material treatment process, the operation difficulty andintensity of the user are reduced, and the use experience feeling of the user is effectively improved.

The invention discloses a pinhole high-definition imaging device which comprises a substrate with a pinhole area, the diameter of the pinhole area is 10-100 micrometers, micro-nano small holes distributed in an asymmetric mode are formed in the pinhole area, and the aperture of the micro-nano small holes is in the hundred-nanometer magnitude. The large number of micro-nano small holes are randomly distributed in the pinhole, so that diffraction of the pinhole can be inhibited, and the final imaging resolution of the pinhole is approximate to the description of geometrical optics within a certain limit. Compared with pinhole imaging with the same aperture, the device breaks through the limitation of diffraction on the aperture of the pinhole, the pinhole can be made smaller, and the final imaging resolution is higher. Compared with performance of traditional pinhole imaging, the diffraction efficiency of a system is reduced through the large number of micro-nano small holes, the effect of a neutral filter is achieved, and the light intensity of incident light can be weakened on the premise that spectral information of the incident light is not changed so that imaging equipment can be protected. The invention further discloses a pinhole imaging system with the pinhole high-definition imaging device.